CVE-2026-95588
Received Received - Intake

Unauthenticated Arbitrary File Deletion in AcyMailing SMTP Newsletter

Publication date: 2026-10-01

Last updated on: 2026-10-01

Assigner: Patchstack

Description
Unauthenticated Arbitrary File Deletion in AcyMailing SMTP Newsletter <= 11.0.5 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-01
Last Modified
2026-10-01
Generated
2026-10-01
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
CVE-2026-95588
EUVD
EUVD-2026-90855

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
acyba acymailing to 11.0.5 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an Unauthenticated Arbitrary File Deletion flaw in the AcyMailing SMTP Newsletter WordPress plugin versions 11.0.5 and below. It allows attackers to delete critical files on a website without authentication, potentially breaking the site.

Detection Guidance

To detect this vulnerability, check if your AcyMailing SMTP Newsletter plugin version is 11.0.5 or below. Look for signs of unauthorized file deletions or suspicious activity in server logs. Patchstack provides a mitigation rule to block attacks until the plugin is updated.

Impact Analysis

Attackers can exploit this to delete important files, causing website downtime or data loss. The high CVSS score of 8.6 indicates significant risk, and mass-exploit campaigns are expected. Immediate action is required to prevent damage.

Compliance Impact

This vulnerability could lead to unauthorized file deletion, potentially compromising sensitive data storage or backups. For GDPR, this may result in unauthorized access or loss of personal data, violating Article 32 (security of processing). For HIPAA, it could affect the integrity of protected health information if critical files are deleted.

Mitigation Strategies

Update the AcyMailing SMTP Newsletter Plugin to version 11.1.0 or later immediately. If updating is not possible, contact your hosting provider or web developer for assistance. Patchstack has issued a mitigation rule to block attacks until the plugin is updated.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-95588. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart